What is the energy difference between the n=2 and n=1 levels in hydrogen? - ATOMS AND NUCLEI Quiz | GKFix.in

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Question

What is the energy difference between the n=2 and n=1 levels in hydrogen?

A. 10.2 eV
B. 3.4 eV
C. 13.6 eV
D. 6.8 eV